Cultivator



FIG. 1 is an oblique view of the invention;

FIG. 2 is a top view of the invention;

FIG. 3 is a bottom view of the invention; and,

FIG. 4 is a front view of the invention.

The broken lines are included for the purpose of illustrating environment and form no part of the claimed design. 

I claim the ornamental design for a cultivator, as shown and described. 